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app.py
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app.py
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from aiohttp import web
from aiohttp import client
import aiohttp
import asyncio
import pprint
import ssl
import time
import os
import aiohttp_jinja2
import jinja2
from sqlalchemy import create_engine, Column, Integer, String, Float, Boolean, Text
from sqlalchemy.orm import scoped_session, sessionmaker
from sqlalchemy.ext.declarative import declarative_base
import yaml
from furl import furl
import requests
import json
import uuid
from functools import wraps
import traceback
from spawners.k8s.kubespawn import remove_codehub, create_codehub, get_codehub
from fileserver.controller import create_folder
# Set these values
GITHUB_CLIENT_ID = os.environ.get('GITHUB_CLIENT_ID', '')
GITHUB_CLIENT_SECRET = os.environ.get('GITHUB_CLIENT_SECRET', '')
ADMIN_USERS = os.environ.get('ADMIN_USERS', '')
DEFAULT_SPAWNER = os.environ.get('SPAWNER', 'k8s')
DEFAULT_PORT = os.environ.get('DEFAULT_PORT', 8080)
DATABASE_HOST = os.environ.get('DATABASE_HOST', '/mnt/database/dohub.db')
CONFIG_PATH = os.environ.get('CONFIG_PATH', '/etc/dohub/config.yaml')
with open(CONFIG_PATH, 'r') as stream:
config_file = yaml.safe_load(stream)
DATABASE_URI = f'sqlite:///{DATABASE_HOST}'
SECRET_KEY = 'dohub'
app = web.Application(client_max_size=200*1024**2)
aiohttp_jinja2.setup(app, loader=jinja2.FileSystemLoader('templates'))
# setup sqlalchemy
engine = create_engine(DATABASE_URI)
db_session = scoped_session(sessionmaker(autocommit=False,
autoflush=False,
bind=engine))
Base = declarative_base()
Base.query = db_session.query_property()
class User(Base):
__tablename__ = 'users'
id = Column(Integer, primary_key=True)
github_access_token = Column(String(255))
github_id = Column(Integer)
username = Column(String(255))
image = Column(Text)
access_key = Column(String(255))
server_ip = Column(String(15))
role = Column(String(255), default='normal_user')
is_accept = Column(Boolean, unique=False, default=False)
current_server = Column(Integer, default=1)
state = Column(String(255), default='offline')
access_password = Column(String(255))
last_activity = Column(Float)
def __init__(self, **kwargs):
for property, value in kwargs.items():
if hasattr(value, '__iter__') and not isinstance(value, str):
value = value[0]
setattr(self, property, value)
class ServerOption(Base):
__tablename__ = 'server_options'
id = Column(Integer, primary_key=True)
name = Column(String(255), unique=True)
image = Column(String(255), default='logo.png')
docker_image = Column(String(255), default="codercom/code-server")
cpu = Column(Integer)
ram = Column(String(255))
drive = Column(String(255))
gpu = Column(String(255))
color = Column(String(255), default="#fcb040")
def __init__(self, **kwargs):
for property, value in kwargs.items():
if hasattr(value, '__iter__') and not isinstance(value, str):
value = value[0]
setattr(self, property, value)
def __repr__(self):
return str(self.id)
class UserServer(Base):
__tablename__ = 'user_server_relations'
id = Column(Integer, primary_key=True)
user_id = Column(Integer)
server_id = Column(Integer)
def __init__(self, **kwargs):
for property, value in kwargs.items():
if hasattr(value, '__iter__') and not isinstance(value, str):
value = value[0]
setattr(self, property, value)
def __repr__(self):
return str(self.id)
class GitAuth():
BASE_URL = 'https://api.github.com/'
BASE_AUTH_URL = 'https://github.com/login/oauth/'
def __init__(self, db=None):
self.db = db
self.init_app()
def init_app(self):
self.client_id = GITHUB_CLIENT_ID
self.client_secret = GITHUB_CLIENT_SECRET
self.base_url = self.BASE_URL
self.auth_url = self.BASE_AUTH_URL
# self.session = requests.session()
def oauth_login(self):
params = {
'client_id': self.client_id,
'scope': 'read:user',
'state': 'An unguessable random string.',
'allow_signup': 'true'
}
url = furl(self.auth_url + 'authorize').set(params)
url = str(url)
raise web.HTTPFound(location=url)
def handle_callback(self, f):
@wraps(f)
def decorated(*args, **kwargs):
code = args[0].query.get('code')
if not code:
resp = web.HTTPError(text="No permission")
resp.set_status(403)
return resp
payload = {
'client_id': self.client_id,
'client_secret': self.client_secret,
'code': code,
'state': 'An unguessable random string.'
}
r = requests.post(self.BASE_AUTH_URL + 'access_token', json=payload, headers={'Accept': 'application/json'})
if not 'access_token' in json.loads(r.text):
resp = web.HTTPError(text="No permission")
resp.set_status(403)
return resp
access_token = json.loads(r.text)['access_token']
access_user_url = self.BASE_URL + 'user'
r = requests.get(access_user_url, headers={'Authorization': 'token ' + access_token})
user = json.loads(r.text)
user['access_token'] = access_token
return f(*((user,) + args), **kwargs)
return decorated
def verify(self, f):
@wraps(f)
def decorated(*args, **kwargs):
user = None
try:
access_key = args[0].cookies['user_access_key']
except:
access_key = None
if not access_key:
user = None
else:
user = User.query.filter_by(access_key=access_key).first()
if user:
user = user.__dict__
return f(*((user,) + args), **kwargs)
return decorated
def login_user(self, user, request):
access_key = uuid.uuid4()
user.access_key = str(access_key)
db_session.commit()
location = request.app.router['index'].url_for()
response = web.HTTPSeeOther(location=location)
response.cookies['user_access_key'] = user.access_key
return response
def logout_user(self, request):
location = request.app.router['index'].url_for()
response = web.HTTPSeeOther(location=location)
response.cookies['user_access_key'] = ''
return response
auth = GitAuth(db_session)
async def handle_404(request, ex: web.HTTPException):
return aiohttp_jinja2.render_template('page-error.html', request, {'code': 404, 'error': ex.text})
async def handle_403(request, ex: web.HTTPException):
return aiohttp_jinja2.render_template('page-error.html', request, {'code': 403, 'error': ex.text})
async def handle_500(request, ex: web.HTTPException):
return aiohttp_jinja2.render_template('page-error.html', request, {'code': 500, 'error': ex.text})
def create_error_middleware(overrides):
@web.middleware
async def error_middleware(request, handler):
try:
Base.metadata.create_all(bind=engine)
migrate()
resp = await handler(request)
db_session.remove()
return resp
except web.HTTPException as ex:
override = overrides.get(ex.status)
if override:
resp = await override(request, ex)
resp.set_status(ex.status)
return resp
raise
except Exception as e:
resp = await overrides[500](request, web.HTTPError(text=traceback.format_exc()))
resp.set_status(500)
return resp
return error_middleware
def setup_middlewares(app):
error_middleware = create_error_middleware({
403: handle_403,
404: handle_404,
500: handle_500,
})
app.middlewares.append(error_middleware)
setup_middlewares(app)
@auth.handle_callback
async def authorized(user, request):
user_ = User.query.filter_by(username=user['login']).first()
if user_ is None:
user_ = User(
username=user['login'],
image=user['avatar_url'],
role=("admin" if user['login'] in ADMIN_USERS else 'normal_user'),
is_accept=user['login'] in ADMIN_USERS,
access_password = user['login'] + '-' + str(uuid.uuid4()).split('-')[0]
)
db_session.add(user_)
db_session.commit()
if user['login'] in ADMIN_USERS:
server_ids = db_session.query(ServerOption.id).all()
for server_id in server_ids:
userserver = UserServer(user_id=user_.id, server_id=server_id[0])
db_session.add(userserver)
db_session.commit()
else:
userserver = UserServer(user_id=user_.id, server_id=1)
db_session.add(userserver)
db_session.commit()
user_.github_access_token = user['access_token']
user_.github_id = int(user['id'])
return auth.login_user(user_, request)
@auth.verify
async def login(user, request):
if user is None:
return auth.oauth_login()
else:
location = request.app.router['index'].url_for()
raise web.HTTPFound(location=location)
async def logout(request):
return auth.logout_user(request)
@aiohttp_jinja2.template('index.html')
@auth.verify
async def hub(user, request):
return {"user": user}
@auth.verify
async def user_state(user, request):
if not user:
return web.json_response({"message": "no permission"}, status=403)
del user['_sa_instance_state']
all_servers = db_session.query(ServerOption.name) \
.filter(ServerOption.id == UserServer.server_id) \
.filter(UserServer.user_id == user['id']) \
.all()
current_server = db_session.query(ServerOption.name).filter(ServerOption.id == user['current_server']).first()
all_servers = [db[0] for db in all_servers]
user['server_list'] = all_servers
user['current_server'] = current_server[0]
user['server_log'] = get_codehub(user['username'])
return web.json_response({"result": user}, status=200)
@auth.verify
def all_user(user, request):
if not user:
return web.json_response({"message": "no permission"}, status=403)
if not user['role'] == "admin":
return web.json_response({"message": "no permission"}, status=403)
users = db_session.query(
User.id,
User.username,
User.image,
User.server_ip,
User.last_activity,
User.role,
User.is_accept,
ServerOption.name,
User.state,
User.access_password) \
.filter(User.current_server == ServerOption.id).all()
fields = ['id', 'username', 'image', 'server_ip', 'last_activity', 'role', 'is_accept', 'current_server', 'state', 'access_password', 'server_list']
result_list = []
for user in users:
user_dict = {}
all_servers = db_session.query(ServerOption.name) \
.filter(ServerOption.id == UserServer.server_id) \
.filter(UserServer.user_id == user[0]) \
.all()
all_servers = [db[0] for db in all_servers]
user = list(user)
user.append(all_servers)
for i, field in enumerate(fields):
user_dict[field] = user[i]
user_dict['server_log'] = get_codehub(user[1])
result_list.append(user_dict)
return web.json_response({"result": result_list}, status=200)
async def all_server(request):
servers = db_session.query(
ServerOption.name,
ServerOption.image,
ServerOption.docker_image,
ServerOption.cpu,
ServerOption.ram,
ServerOption.drive,
ServerOption.gpu,
ServerOption.color).all()
fields = ['name', 'image', 'docker_image', 'cpu', 'ram', 'drive', 'gpu', 'color']
result_list = {}
for server in servers:
server_dict = {}
for i, field in enumerate(fields):
server_dict[field] = server[i] if server[i] != '' else 'none'
result_list[server[0]] = server_dict
return web.json_response({"result": result_list}, status=200)
@auth.verify
async def accept_user(user, request):
username = request.match_info.get('username', None)
if not user:
return web.json_response({"message": "no permission"}, status=403)
if not user['role'] == "admin":
return web.json_response({"message": "no permission"}, status=403)
user_accept = User.query.filter_by(username=username).first()
if not user_accept:
return web.json_response({"message": "not found"}, status=404)
user_accept.is_accept = True
db_session.commit()
return web.json_response({"message": "success"}, status=200)
@auth.verify
async def delete_user(user, request):
username = request.match_info.get('username', None)
if not user:
return web.json_response({"message": "no permission"}, status=403)
if not user['role'] == "admin":
return web.json_response({"message": "no permission"}, status=403)
user_delete = User.query.filter_by(username=username).first()
if not user_delete:
return web.json_response({"message": "not found"}, status=404)
stop_server_pipline(user_delete)
delete_q = UserServer.__table__.delete().where(UserServer.user_id == user_delete.id)
db_session.execute(delete_q)
db_session.delete(user_delete)
db_session.commit()
return web.json_response({"message": "success"}, status=200)
@auth.verify
async def change_server(user, request):
username = request.match_info.get('username', None)
server_name = request.match_info.get('server_name', None)
if not user:
return web.json_response({"message": "no permission"}, status=403)
if not user['role'] == "admin" and user['username'] != username:
return web.json_response({"message": "no permission"}, status=403)
if not user['is_accept']:
return web.json_response({"message": "no permission"}, status=403)
user_change = User.query.filter_by(username=username).first()
if not user_change:
return web.json_response({"message": "not found"}, status=404)
if not user_change.is_accept:
return web.json_response({"message": "no permission"}, status=403)
if not user_change.state == 'offline':
return web.json_response({"message": "no permission"}, status=403)
server = ServerOption.query.filter_by(name=server_name).first()
if not server:
return web.json_response({"message": "not found"}, status=404)
userserver = UserServer.query.filter_by(user_id=user_change.id, server_id=server.id).first()
if not userserver:
return web.json_response({"message": "no permission"}, status=403)
user_change.current_server = server.id
db_session.commit()
return web.json_response({"message": "success"}, status=200)
@auth.verify
async def change_role(user, request):
username = request.match_info.get('username', None)
role = request.match_info.get('role', None)
if not user:
return web.json_response({"message": "no permission"}, status=403)
if not user['role'] == "admin" or user['username'] == username:
return web.json_response({"message": "no permission"}, status=403)
if not user['is_accept']:
return web.json_response({"message": "no permission"}, status=403)
user_change = User.query.filter_by(username=username).first()
if not user_change:
return web.json_response({"message": "not found"}, status=404)
if not user_change.is_accept:
return web.json_response({"message": "no permission"}, status=403)
if not (role in ['admin', 'normal_user']):
return web.json_response({"message": "no permission"}, status=403)
user_change.role = role
db_session.commit()
return web.json_response({"message": "success"}, status=200)
@auth.verify
async def add_server_user(user, request):
username = request.match_info.get('username', None)
server_name = request.match_info.get('server_name', None)
if not user:
return web.json_response({"message": "no permission"}, status=403)
if not user['role'] == "admin":
return web.json_response({"message": "no permission"}, status=403)
user_change = User.query.filter_by(username=username).first()
if not user_change:
return web.json_response({"message": "not found"}, status=404)
server = ServerOption.query.filter_by(name=server_name).first()
if not server:
return web.json_response({"message": "not found"}, status=404)
userserver = UserServer.query.filter_by(user_id=user_change.id, server_id=server.id).first()
if not userserver:
userserver = UserServer(user_id=user_change.id, server_id=server.id)
db_session.add(userserver)
db_session.commit()
return web.json_response({"message": "success"}, status=200)
@auth.verify
async def delete_server_user(user, request):
username = request.match_info.get('username', None)
server_name = request.match_info.get('server_name', None)
if not user:
return web.json_response({"message": "no permission"}, status=403)
if not user['role'] == "admin":
return web.json_response({"message": "no permission"}, status=403)
user_change = User.query.filter_by(username=username).first()
if not user_change:
return web.json_response({"message": "not found"}, status=404)
server = ServerOption.query.filter_by(name=server_name).first()
if not server:
return web.json_response({"message": "not found"}, status=404)
userserver = UserServer.query.filter_by(user_id=user_change.id, server_id=server.id).first()
available_server = UserServer.query.filter_by(user_id=user_change.id).first()
if not userserver:
return web.json_response({"message": "not found"}, status=404)
if server.id == user_change.current_server and available_server:
user_change.current_server = available_server.server_id
elif server.id == user_change.current_server:
user_change.current_server = 1
db_session.delete(userserver)
db_session.commit()
return web.json_response({"message": "success"}, status=200)
def start_server_pipline(user, server):
username = user.username
config = {
'username': user.username,
'cpu': server.cpu,
'max_cpu': server.cpu*1.5,
'max_ram': str(int(server.ram[:-1])*1.5) + 'G',
'ram': server.ram,
'gpu_type': 'nvidia.com/' + (server.gpu.split(':')[0] if ':' in server.gpu else server.gpu),
'gpu_quantity': int(server.gpu.split(':')[1]) if ':' in server.gpu else 1,
'not_use_gpu': not server.gpu or server.gpu == '' or server.gpu == 'null' or server.gpu == "",
'image': server.docker_image,
'image_tag': '4.89.0-ubuntu',
'path': config_file['nasPath'],
'file_server': config_file['nasAddresses'][config_file['nasIndex']],
'file_server_index': config_file['nasIndex'],
'password': user.access_password,
'defaultPort': DEFAULT_PORT
}
if DEFAULT_SPAWNER == 'k8s':
try:
create_folder(config)
except:
return web.json_response({'message': 'action create folder failed'}, status=500)
command, logs = create_codehub(config)
user_change = User.query.filter_by(username=username).first()
user_change.state = 'running'
user_change.server_ip = 'any'
db_session.commit()
return web.json_response({'message': 'success', "logs": logs, "command": command}, status=200)
def stop_server_pipline(user):
username = user.username
config = {
'username': user.username,
}
try:
remove_codehub(config)
user_change = User.query.filter_by(username=username).first()
user_change.state = 'offline'
user_change.server_ip = ''
db_session.commit()
except:
return web.json_response({'message': 'action failed'}, status=500)
return web.json_response({'message': 'success'}, status=200)
@auth.verify
async def start_server(user, request):
username = request.match_info.get('username', None)
if not user:
return web.json_response({"message": "no permission"}, status=403)
if not user['role'] == "admin" and user['username'] != username:
return web.json_response({"message": "no permission"}, status=403)
if not user['is_accept']:
return web.json_response({"message": "no permission"}, status=403)
user_change = User.query.filter_by(username=username).first()
if not user_change:
return web.json_response({"message": "not found"}, status=404)
if not user_change.is_accept:
return web.json_response({"message": "no permission"}, status=403)
if not user['role'] == "admin":
if not (user_change.state == 'offline' or user_change.state == 'pending_stop'):
return web.json_response({"message": "no permission"}, status=403)
server = ServerOption.query.filter_by(id=user_change.current_server).first()
if not server:
return web.json_response({"message": "not found"}, status=404)
return start_server_pipline(user=user_change, server=server)
@auth.verify
async def stop_server(user, request):
username = request.match_info.get('username', None)
if not user:
return web.json_response({"message": "no permission"}, status=403)
if not user['role'] == "admin" and user['username'] != username:
return web.json_response({"message": "no permission"}, status=403)
if not user['is_accept']:
return web.json_response({"message": "no permission"}, status=403)
user_change = User.query.filter_by(username=username).first()
if not user_change:
return web.json_response({"message": "not found"}, status=404)
if not user_change.is_accept:
return web.json_response({"message": "no permission"}, status=403)
if not user['role'] == "admin":
if not (user_change.state == 'running' or user_change.state == 'pending_start'):
return web.json_response({"message": "no permission"}, status=403)
return stop_server_pipline(user_change)
async def handler_proxy(req):
timeout = aiohttp.ClientTimeout()
proxyPath = req.match_info.get('proxyPath','')
port_str = req.match_info.get('port', DEFAULT_PORT)
port = req.match_info.get('port', DEFAULT_PORT)
username = req.match_info.get('username', None)
user_change = User.query.filter_by(username=username).first()
if DEFAULT_SPAWNER == 'local' or DEFAULT_SPAWNER == 'k8s':
server_domain = user_change.server_ip
else:
server_domain = f'dohub-{username}'
port_str = str(DEFAULT_PORT) if port_str == 'main' else port_str
if f'user/{username}/{port}/' in proxyPath:
proxyPath = proxyPath[len(f'user/{username}/{port}/'):]
reqH = req.headers.copy()
baseUrl = f'http://{server_domain}:{port_str}/{proxyPath}'
if reqH['connection'] == 'Upgrade' and reqH['upgrade'] == 'websocket' and req.method == 'GET':
ws_server = web.WebSocketResponse(max_msg_size=0)
await ws_server.prepare(req)
client_session = aiohttp.ClientSession(cookies=req.cookies, timeout=timeout)
async with client_session.ws_connect(
baseUrl,
max_msg_size=0
) as ws_client:
async def wsforward(ws_from,ws_to):
async for msg in ws_from:
mt = msg.type
md = msg.data
if mt == aiohttp.WSMsgType.TEXT:
await ws_to.send_str(md)
elif mt == aiohttp.WSMsgType.BINARY:
await ws_to.send_bytes(md)
elif mt == aiohttp.WSMsgType.PING:
await ws_to.ping()
elif mt == aiohttp.WSMsgType.PONG:
await ws_to.pong()
elif ws_to.closed:
await ws_to.close(code=ws_to.close_code,message=msg.extra)
else:
raise ValueError('unexpecte message type: %s',pprint.pformat(msg))
finished, unfinished = await asyncio.wait([wsforward(ws_server,ws_client), wsforward(ws_client,ws_server)], return_when=asyncio.FIRST_COMPLETED)
return ws_server
else:
user_change.last_activity = time.time() * 1000
db_session.commit()
async with client.request(
method = req.method,
url = baseUrl,
headers = reqH,
params = req.query,
allow_redirects = False,
data = await req.read()
) as res:
headers = res.headers.copy()
body = await res.read()
headers.pop('Transfer-Encoding', None)
headers.pop('Content-Encoding', None)
if res.status == 302:
if headers['Location'][0] == '.':
location = headers['Location'][1:]
elif headers['Location'][0] == '/':
location = headers['Location']
else:
location = '/' + headers['Location']
headers['Location'] = f'/user/{username}/{port}' + location
return web.Response(
headers = headers,
status = res.status,
body = body
)
app.router.add_route('*', '/github-callback', authorized, name='github-callback')
app.router.add_route('*', '/login', login, name='login')
app.router.add_route('*', '/logout', logout, name='logout')
app.router.add_route('*', '/', hub, name='index')
app.router.add_route('*', '/user_state', user_state, name='user-state')
app.router.add_route('*', '/all_users', all_user, name='all-user')
app.router.add_route('*', '/all_servers', all_server, name='all-servers')
app.router.add_route('*', '/accept_user/{username}', accept_user)
app.router.add_route('*', '/delete_user/{username}', delete_user)
app.router.add_route('*', '/change_server/{username}/{server_name}', change_server)
app.router.add_route('*', '/change_role/{username}/{role}', change_role)
app.router.add_route('*', '/add_server_user/{username}/{server_name}', add_server_user)
app.router.add_route('*', '/delete_server_user/{username}/{server_name}', delete_server_user)
app.router.add_route('*', '/start_server/{username}', start_server)
app.router.add_route('*', '/stop_server/{username}', stop_server)
## Proxy
# app.router.add_route('*', '/user/{username}/{port}/{proxyPath:.*}', handler_proxy)
# app.router.add_route('*', '/user/{username}/{port}', handler_proxy)
app.add_routes([web.static('/static', 'static')])
def migrate():
for server_option in config_file['initServerOptions']:
server = ServerOption.query.filter_by(name=server_option['name']).first()
if server:
continue
server_option_entity = ServerOption(
name = server_option['name'],
image = server_option['image'],
docker_image = server_option['docker_image'],
cpu = server_option['cpu'],
ram = server_option['ram'],
drive = server_option['drive'],
gpu = server_option['gpu'],
color = server_option['color'])
db_session.add(server_option_entity)
db_session.commit()
if __name__ == "__main__":
if os.path.exists("/etc/dohub/cert.pem") and os.path.exists("/etc/dohub/key.pem"):
ssl_context = ssl.create_default_context(ssl.Purpose.CLIENT_AUTH)
ssl_context.load_cert_chain("/etc/dohub/cert.pem", "/etc/dohub/key.pem")
web.run_app(app, port=5000, ssl_context=ssl_context)
else:
web.run_app(app, port=5000)